Flight
UAL853 18 Jun 2026
UAL853, operated by United Airlines, on 18 Jun 2026, 2 legs. Scheduled and actual times are local to each airport (hover for UTC).
Leg 1 of 2estimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → ? |
| Status | Completed (receiver network) |
| First seen airborne | 23:52 PDT 17 Jun |
| Last seen | 16:36Z |
| Duration | 9h 43m |
| Aircraft | N228UA |
| Max altitude | 36,000 ft |
Leg 2 of 2estimated
PlaneTrack receiver network| Route | KSFO SAN FRANCISCO INTERNATIONAL → RCTP CHIANG KAI SHEK INTERNATIONAL |
| Status | Completed (receiver network) |
| First seen airborne | 10:30 PDT |
| Last seen | 03:34 CST 19 Jun |
| Duration | 2h 03m |
| Aircraft | N228UA |
| Max altitude | 38,000 ft |
| Distance tracked | 5,610 nm |
Punctuality, last 30 days
| Flights | 7 |
| On time | 0 (0%) |
| Average delay | +53 min |
| Worst delay | +102 min |
In the last 30 days UAL853 departed on time (within 15 minutes) on 0 of 7 flights (0%), with an average departure delay of +53 min and a worst delay of +102 min.
Schedule, departure and arrival times from the FAA SWIM feed; aircraft, altitude and distance from the PlaneTrack receiver network. On time means a departure within 15 minutes of schedule.